252kVGIS Introduction Single line diagram Layout Main parameters: Circuit Breaker (CB) Type MFPT-300-63L-HAR3 Rated voltage 362（363） kV Rated frequency 50/60Hz Rated current 4000A First-pole-to-clear factor 1.3 Rated short-circuit breaking current (3s) 63 kA Break time ＜60 ms Rated short-circuit making current 164 kA Rated peak withstand current 164 kA Making capacity in short-line fault conditions (L75/L90) 47.25/56.7kA Rated out-of-phase breaking current 15.8 kA Line charging breaking current 315A Line charging breaking current 355A Power frequency withstand voltage 555/670 kV Lightning impulse withstand voltage 1300/1300+296 kV Rated SF6 gas pressure 0.6 Mpa.G Operating type Electro-hydraulic Disconnecting Switch (DS) Type FLT-EEA Rated voltage 362（363） kV Rated current 4000A Rated short-time withstand current 63 kA (3s) Operating type Motor Earthing Switch (ES) Type CFG-EA Rated voltage 362（363） kV Rated short-time withstand current 63 kA (3s) Operating type Motor Fast Earthing Switch (FES) Type CFGM-FA Rated voltage 362（363） kV Rated short-time withstand current 63 kA (3s) Operating type spring Main Bus Type Three-phase enclosed Rated voltage 362（363） kV Rated current 6000A Rated short-time withstand current 63 kA (3s) Rated SF6 gas pressure 0.6 Mpa.G 252kV GIS Single Line Diagram 252kV GIS Layout Diagram 252kV GIS Structure Diagram BACK ↑TOP
